package cn.weekimwee.firstlineofcodeforkotlin.unit6

import org.litepal.crud.DataSupport

/**
 * Created by Wee Kim Wee on 2018/2/20.
 */
data class Book(var id: Int?=null,
                val author: String,
                val pages: Int,
                var price: Double,
                val name: String,
                val press:String):DataSupport()